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🌎  Greenwich, United Kingdom [change]

Comets

Browse and discover detailed information about 218 of the most interesting comets. Comets are listed in order of decreasing brightness.

Visibility from selected location  = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet 213P/Van Ness

213P/Van Ness
R.A: 13h 07m 03s   Dec: -15° 25’ 15”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.7 (JPL)  brightening
in Virgo   current altitude less than 30 degrees above the horizon

Comet P/2019 Y2 (Fuls)

P/2019 Y2 (Fuls)
R.A: 22h 18m 41s   Dec: -16° 39’ 47”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.7 (JPL)  fading
in Aquarius   object currently below the horizon

Comet 20D/Westphal (Lost)

20D/Westphal (Lost)
R.A: 14h 00m 18s   Dec: -51° 08’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.8 (JPL) 
in Centaurus   object currently below the horizon

Comet C/2021 D1 (SWAN)

C/2021 D1 (SWAN)
R.A: 10h 33m 21s   Dec: -05° 35’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 29.8 (JPL)  fading
in Sextans   current altitude less than 30 degrees above the horizon

Comet 18D/Perrine-Mrkos (Lost)

18D/Perrine-Mrkos (Lost)
R.A: 15h 31m 15s   Dec: -17° 53’ 17”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.1 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet 261P/Larson

261P/Larson
R.A: 11h 57m 09s   Dec: -04° 49’ 24”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.2 (JPL) 
in Virgo   current altitude less than 30 degrees above the horizon

Comet 60P/Tsuchinshan 2

60P/Tsuchinshan 2
R.A: 20h 25m 00s   Dec: -16° 18’ 18”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 30.9 (JPL)  fading
in Capricornus   object currently below the horizon

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 03h 06m 01s   Dec: +15° 32’ 27”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.0 (JPL) 
in Aries   object currently below the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 11h 51m 58s   Dec: -00° 41’ 16”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.8 (JPL) 
in Virgo   current altitude greater than 30 degrees above the horizon

Comet 11P/Tempel-Swift-LINEAR

11P/Tempel-Swift-LINEAR
R.A: 13h 09m 29s   Dec: -14° 52’ 55”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.0 (JPL)  fading
in Virgo   current altitude less than 30 degrees above the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 10h 35m 39s   Dec: +09° 16’ 36”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.1 (JPL)  brightening
in Leo   current altitude greater than 30 degrees above the horizon

Comet McNaught (C/2006 P1)

C/2006 P1 (McNaught)
R.A: 16h 50m 50s   Dec: -53° 34’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.7 (JPL)  fading
in Ara   object currently below the horizon

Comet 58P/Jackson-Neujmin

58P/Jackson-Neujmin
R.A: 10h 51m 01s   Dec: +06° 46’ 19”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.2 (JPL)  fading
in Leo   current altitude greater than 30 degrees above the horizon

Comet 34D/Gale (Lost)

34D/Gale (Lost)
R.A: 07h 52m 18s   Dec: +29° 02’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 33.4 (JPL)  brightening
in Gemini   current altitude less than 30 degrees above the horizon

Comet P/2021 N1 (ZTF)

P/2021 N1 (ZTF)
R.A: 08h 47m 12s   Dec: +18° 46’ 30”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.2 (JPL) 
in Cancer   current altitude less than 30 degrees above the horizon

Comet C/1996 B2 (Hyakutake)

C/1996 B2 (Hyakutake)
R.A: 13h 44m 42s   Dec: -57° 52’ 33”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.4 (JPL) 
in Centaurus   object currently below the horizon

Comet P/2016 J3 (STEREO)

P/2016 J3 (STEREO)
R.A: 17h 43m 49s   Dec: -15° 16’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.5 (JPL)  fading
in Serpens   current altitude less than 30 degrees above the horizon

Comet P/2016 J3 (STEREO = 2021 A3)

P/2016 J3 (STEREO)
R.A: 17h 43m 49s   Dec: -15° 16’ 52”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.5 (JPL)  fading
in Serpens   current altitude less than 30 degrees above the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 57m 30s   Dec: -08° 29’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.5 (JPL) 
in Eridanus   object currently below the horizon

Comet 153P/Ikeya-Zhang

153P/Ikeya-Zhang
R.A: 19h 50m 31s   Dec: -32° 23’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.6 (JPL)  fading
in Sagittarius   object currently below the horizon
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